#9F231B#9F231B

#9F231B is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.1% C 0.161 H 28.8°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#9F231B
RGB	rgb(159, 35, 27)
HSL	hsl(4, 71%, 36%)
HSV	hsv(4, 83%, 62%)
CMYK	cmyk(0%, 78%, 83%, 37.6%)
CIE-LAB	lab(35.31, 49.63, 36.48)
CIE-LCH	lch(35.31, 61.59, 36.32°)
OKLab	oklab(46.14% 0.1414 0.0778)
OKLCH	oklch(46.14% 0.161 28.8)
XYZ	xyz(15.0988, 8.6545, 1.9122)
Luminance	0.0865 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9F231B #1B979F

analogous

#9F1B55 #9F231B #9F651B

triadic

#9F231B #1B9F23 #231B9F

tetradic

#9F231B #559F1B #1B979F #651B9F

square

#9F231B #559F1B #1B979F #651B9F

split-complementary

#9F231B #1B9F65 #1B559F

monochromatic

#360C09 #6B1712 #9F231B #D32F24 #E25B53

Accessibility & contrast

On white

7.69

#9F231B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#9F231B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #9F231B

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9F231B	#FFFFFF	#000000	##FFFFFF
##9F231B	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4218

Deuteranopia (green-blind)

#685D14

Tritanopia (blue-blind)

#B00023

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #9f231b;
/* rgb */ color: rgb(159, 35, 27);
/* oklch */ color: oklch(46.1% 0.161 28.8);

Tailwind

colors: {
  custom: {
    50: '#c56959',
    500: '#9f231b',
    950: '#000000',
  },
}

SCSS

$custom: #9f231b;
$custom-light: #c56959;
$custom-dark: #000000;

JSON

{
  "hex": "#9f231b",
  "rgb": {
    "r": 159,
    "g": 35,
    "b": 27
  },
  "hsl": {
    "h": 3.636,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46144,
    "c": 0.16137,
    "h": 28.8
  },
  "luminance": 0.08652
}

Semantic roles & 50–950 ramp

primary

#9F231B

secondary

#51BEC5

accent

#E3EE3A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #9F231B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →